Home / 740,588.28-1,021,722.48-430,439.32

Finding the Fourth Proportional to 740,588.28, 1,021,722.48 and 430,439.32

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Solution

The fourth proportional to 740,588.28, 1,021,722.48 and 430,439.32 is: 593,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,588.28 : 1,021,722.48 = 430,439.32 : x
  2. Step 2: Convert to fraction form
    740,588.28/1,021,722.48 = 430,439.32/x
  3. Step 3: Cross multiply
    740,588.28x = 1,021,722.48 × 430,439.32
  4. Step 4: Simplify right side
    740,588.28x = 439,789,529,519.91
  5. Step 5: Solve for x
    x = 439,789,529,519.91/740,588.28
  6. Step 6: Final answer
    x = 593,838.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.